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libctf, dedup: add new configure option --enable-libctf-hash-debugging

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Add a new debugging configure option, --enable-libctf-hash-debugging,
off by default, which lets you configure in expensive internal
consistency checks and enable the printing of debugging output when
LIBCTF_DEBUG=t before type deduplication has happened.

In this commit we just add the option and cause it to turn ctf_assert
into a real, hard assert for easier debugging.

libctf/
	* configure.ac: Add --enable-libctf-hash-debugging.
	* aclocal.m4: Pull in enable.m4, for GCC_ENABLE.
	* Makefile.in: Regenerated.
	* configure: Likewise.
	* config.h.in: Likewise.
	* ctf-impl.h [ENABLE_LIBCTF_HASH_DEBUGGING]
	(ctf_assert): Define to assert.
This commit is contained in:
Nick Alcock
2020-06-05 18:38:03 +01:00
parent 1f2e8b5b87
commit a9b9870206
7 changed files with 65 additions and 2 deletions
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41
libctf/configure vendored
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@@ -642,6 +642,8 @@ SHARED_LIBADD
SHARED_LDFLAGS
NEED_CTF_QSORT_R_FALSE
NEED_CTF_QSORT_R_TRUE
ENABLE_LIBCTF_HASH_DEBUGGING_FALSE
ENABLE_LIBCTF_HASH_DEBUGGING_TRUE
zlibinc
zlibdir
ac_libctf_warn_cflags
@@ -796,6 +798,7 @@ enable_werror_always
enable_maintainer_mode
enable_install_libbfd
with_system_zlib
enable_libctf_hash_debugging
'
ac_precious_vars='build_alias
host_alias
@@ -1441,6 +1444,9 @@ Optional Features:
enable make rules and dependencies not useful (and
sometimes confusing) to the casual installer
--enable-install-libbfd controls installation of libbfd and related headers
--enable-libctf-hash-debugging
Enable expensive debugging of CTF deduplication type
hashing [default=no]
Optional Packages:
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
@@ -11513,7 +11519,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 11516 "configure"
#line 11522 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@@ -11619,7 +11625,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 11622 "configure"
#line 11628 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@@ -12799,6 +12805,33 @@ fi
# Check whether --enable-libctf-hash-debugging was given.
if test "${enable_libctf_hash_debugging+set}" = set; then :
enableval=$enable_libctf_hash_debugging;
case "$enableval" in
yes|no) ;;
*) as_fn_error $? "Argument to enable/disable libctf-hash-debugging must be yes or no" "$LINENO" 5 ;;
esac
else
enable_libctf_hash_debugging=no
fi
if test "${enable_libctf_hash_debugging}" = yes; then
$as_echo "#define ENABLE_LIBCTF_HASH_DEBUGGING 1" >>confdefs.h
fi
if test "${enable_libctf_hash_debugging}" = yes; then
ENABLE_LIBCTF_HASH_DEBUGGING_TRUE=
ENABLE_LIBCTF_HASH_DEBUGGING_FALSE='#'
else
ENABLE_LIBCTF_HASH_DEBUGGING_TRUE='#'
ENABLE_LIBCTF_HASH_DEBUGGING_FALSE=
fi
# Similar to GDB_AC_CHECK_BFD.
OLD_CFLAGS=$CFLAGS
OLD_LDFLAGS=$LDFLAGS
@@ -13495,6 +13528,10 @@ if test -z "${INSTALL_LIBBFD_TRUE}" && test -z "${INSTALL_LIBBFD_FALSE}"; then
as_fn_error $? "conditional \"INSTALL_LIBBFD\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${ENABLE_LIBCTF_HASH_DEBUGGING_TRUE}" && test -z "${ENABLE_LIBCTF_HASH_DEBUGGING_FALSE}"; then
as_fn_error $? "conditional \"ENABLE_LIBCTF_HASH_DEBUGGING\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${NEED_CTF_QSORT_R_TRUE}" && test -z "${NEED_CTF_QSORT_R_FALSE}"; then
as_fn_error $? "conditional \"NEED_CTF_QSORT_R\" was never defined.